大约有 40,000 项符合查询结果（耗时：0.0330秒） [XML]
How to compile and run C/C++ in a Unix console/Mac terminal?
...pp -o main.out", and get this error, Undefined symbols for architecture x86_64: "std::__1::locale::use_facet(std::__1::locale::id&) const", ... turns out the reason is, gcc default-links is libc. while using g++ will link with libstdc++. So use "g++ main.cpp -o main.out" may be better.
...
What is an example of the simplest possible Socket.io example?
... NEVER use a Sync function except at start-up!
index = fs.readFileSync(__dirname + '/index.html');
// Send index.html to all requests
var app = http.createServer(function(req, res) {
res.writeHead(200, {'Content-Type': 'text/html'});
res.end(index);
});
// Socket.io server listens to o...
How can you profile a Python script?
...metimes the approaches are somewhat kludgey - i.e., adding timing code to __main__ .
29 Answers
...
Combining two Series into a DataFrame in pandas
...]:
s1 s2
A 1 3
B 2 4
In [4]: pd.concat([s1, s2], axis=1).reset_index()
Out[4]:
index s1 s2
0 A 1 3
1 B 2 4
Note: This extends to more than 2 Series.
share
|
improv...
Why does pylint object to single character variable names?
...riptive and not too short.
You can use this to avoid such short names:
my_list.extend(x_values)
Or tweak PyLint's configuration to tell PyLint what variable name are good.
share
|
improve this a...
How could I use requests in asyncio?
...r any other blocking libraries) with asyncio, you can use BaseEventLoop.run_in_executor to run a function in another thread and yield from it to get the result. For example:
import asyncio
import requests
@asyncio.coroutine
def main():
loop = asyncio.get_event_loop()
future1 = loop.run_in_...
Getting rid of all the rounded corners in Twitter Bootstrap
...tstrap 4 if you are compiling it you can disable radius alltogether in the _custom.scss file:
$enable-rounded: false;
share
|
improve this answer
|
follow
...
Retrieve the position (X,Y) of an HTML element relative to the browser window
...n every circumstances that I've tried.
function getOffset( el ) {
var _x = 0;
var _y = 0;
while( el && !isNaN( el.offsetLeft ) && !isNaN( el.offsetTop ) ) {
_x += el.offsetLeft - el.scrollLeft;
_y += el.offsetTop - el.scrollTop;
el = el.offsetPare...
Change string color with NSAttributedString?
...
Thanks Anoop, but no luck for me. -[__NSCFString _ui_synthesizeAttributedSubstringFromRange:usingDefaultAttributes:]: unrecognized selector sent to instance 0x1f845af0 2013-01-11 16:27:34.939 yellaProto[7829:907] *** Terminating app due to uncaught exception 'N...
How does JavaScript .prototype work?
...reation), and
The standardized accessor (ie. getter/setter) property named __proto__ (similar to 4.)
Object.getPrototypeOf and Object.setPrototypeOf are preferred over __proto__, in part because the behavior of o.__proto__ is unusual when an object has a prototype of null.
An object's [[Prototype...